Lost Sierra Endurance Race

The Lost Sierra Endurance Race, held in Downieville, California, offers a challenging and scenic trail running experience through the Sierra Nevada mountains. Scheduled for July 26, 2025, the event features three distances: 25K, 50K, and 100K. The 100K is an out-and-back course from Downieville to Plumas-Eureka State Park in Blairsden, traversing the Third Divide Trails, Pacific Crest Trail, and Lakes Basin Trails with multiple aid stations.

The 50K starts at Plumas-Eureka State Park and finishes in Downieville, while the 25K is a loop beginning and ending in Downieville, ideal for less demanding runs. The race atmosphere includes a post-race BBQ and community activities, emphasizing camaraderie and endurance in a stunning mountain setting. Visit the organization's website for the most recent information.